Home / 88,226.58-121,703.40-54,211.44

Finding the Fourth Proportional to 88,226.58, 121,703.40 and 54,211.44

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Solution

The fourth proportional to 88,226.58, 121,703.40 and 54,211.44 is: 74,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,226.58 : 121,703.40 = 54,211.44 : x
  2. Step 2: Convert to fraction form
    88,226.58/121,703.40 = 54,211.44/x
  3. Step 3: Cross multiply
    88,226.58x = 121,703.40 × 54,211.44
  4. Step 4: Simplify right side
    88,226.58x = 6,597,716,566.90
  5. Step 5: Solve for x
    x = 6,597,716,566.90/88,226.58
  6. Step 6: Final answer
    x = 74,781.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.